CN106389011B - elastic diaper component - Google Patents

elastic diaper component Download PDF

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Publication number
CN106389011B
CN106389011B CN201610296604.4A CN201610296604A CN106389011B CN 106389011 B CN106389011 B CN 106389011B CN 201610296604 A CN201610296604 A CN 201610296604A CN 106389011 B CN106389011 B CN 106389011B
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CN
China
Prior art keywords
glue
strip
laminate
width
adhesive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610296604.4A
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Chinese (zh)
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CN106389011A (en
Inventor
M·舍恩贝克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meng Di Consumer Package Technology Co Ltd
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Meng Di Consumer Package Technology Co Ltd
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Publication of CN106389011A publication Critical patent/CN106389011A/en
Application granted granted Critical
Publication of CN106389011B publication Critical patent/CN106389011B/en
Expired - Fee Related legal-status Critical Current
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
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    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49014Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels
    • A61F13/49015Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels the elastic means being elastic panels
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
    • A61F2013/49036Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material having a inelastic zone by deactivating the elastic property
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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Textile Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)

Abstract

It is at least one carrier layer and the flexible sheet Nian Jie with carrier layer and elastically extensible along lead at least in the region of flexible sheet including laminate the present invention relates to a kind of elastic diaper component;Laminate has the first connecting pin and second connection end;Second connection end has the width smaller than the first connecting pin transverse to lead;It is connected in Hookean region of the carrier layer between two connecting pins with flexible sheet by the multiple parallel strip of glue extended transverse to lead;Strip of glue forms pattern of adhesive, described adhesive pattern is in the region of adjacent second connection end than having wider strip of glue and/or the smaller spacing between adjacent strip of glue in the region of adjacent first connecting pin, it is characterized in that, the width of strip of glue and/or the spacing between adjacent strip of glue are so determined according to laminate width so that the extension of Hookean region is substantially consistent when laminate is stretched along lead.

Description

Elastic diaper component
Technical field
The present invention relates to a kind of elastic diaper components, and including laminate, the laminate has at least one carrier layer The flexible sheet be bonded with carrier layer and elastically extensible along lead at least in the region of flexible sheet.Laminate With the first connecting pin for being fixed on diaper and the second connection end for blocking element, wherein, the second connecting element It is less than width of first connecting pin transverse to lead transverse to the width of lead.Elasticity between two connecting pins In region, carrier layer is connected with flexible sheet by the multiple parallel strip of glue extended transverse to lead.It is such Diaper component is often also referred to as diaper hanging ring (back ear laminat) in practice.
Background technology
Elastic diaper component with characteristics mentioned above is for example as known to 2006/124337 A1 of WO.For connecting The adhesive of flexible sheet with for example made of adhesive-bonded fabric carrier layer formed be made of many parallel strip of glue it is viscous Mixture pattern, described adhesive item extend transverse to lead.It is bonded compared to planar, described adhesive pattern improves lamination The elastic extensibility of piece.In general, the Hookean region of diaper component is mechanically activated by stretching.Strip applies adhesive and improves It can activity and the validity of activation.In the scope of known means, the strip of glue of pattern of adhesive has identical width And it is set with predetermined constant spacing.According to 2006/124337 A1 of WO, between the width of strip of glue and each item between Away from being determined with the fixed proportion in the scope between 0.33 and 1.0.
2 158 888 A1 of EP are related to a kind of laminated width material, can be from the laminated width according to multiduty process for stamping Diaper component is gone out in material.Laminated width material has elastic carrier foils and adhesive-bonded fabric coating, wherein, each layer is mutually bonded. Laminated width material has the region that is mutually bonded of planar and the region of strip bonding.Strip of glue forms a kind of pattern, the pattern Strip of glue that is with different in width and/or being set with different spacing.Pattern of adhesive is not accounted for herein by laminated width material The shape for the diaper component gone out.
Formerly it is to make one satisfied ductility the advantages of known laminate, if real on the lamination item of constant width If applying strain measurement.In tension test is carried out to testpieces (being usually standardized in terms of in its size), one can be measured The ductility of cause.
It is being produced in batches as so-called diaper hanging ring and is having to be fixed on the first loose connecting pin on diaper It is observed in the diaper component of the narrow second connection end for blocking element, prolonging when laminate is stretched along lead It opens up uneven.On narrow connecting pin, the Hookean region of diaper component is subjected to larger tensile load and than the neighbour of laminate The Hookean region for connecing wide connecting pin extends stronger.It needs preferably to extend near wide connecting pin, and in the second connection Higher intensity is made every effort on end.
The content of the invention
In this background, the task of the present invention is realize better elastic diaper component between two connecting pins Performance profile.Especially strive for reaching, there is the ductility of the diaper component of the first wide connecting pin and narrow second connection end It is consistent in Hookean region, so as to which when diaper component extends in use, the Hookean region of diaper component is in the first connecting pin Nearby with extending to same degree near the second closure elements.
According to the present invention, strip of glue forms pattern of adhesive, described compared in the region of adjacent first connecting pin Pattern of adhesive is glued with wider strip of glue in the region of adjacent second connection end and/or with smaller in adjacent Spacing between mixture item.The width of strip of glue and/or the spacing between strip of glue are variable and depending on layers The corresponding width of tabletting.Adhesive distribution is so determined according to of the invention so that when laminate is stretched along lead, The first connecting pin being fixed on diaper is nearby implemented around substantially same big extension in relatively narrow second connection end.This Cause the performance profile of better diaper component.
By the adhesive area that strip of glue is formed on the basic side formed by adhesive area and adhesive-free area Long-pending area ratio changes according to the width of laminate, wherein, the area ratio of adhesive area is with laminate width Become smaller and increase.
According to the present invention, the spacing between the width of strip of glue and/or adjacent strip of glue is according to laminate width It so determines so that the extension of Hookean region is substantially consistent when laminate is stretched along lead.
Strip of glue can especially have the width between 0.5mm and 1.2mm.Spacing between strip of glue can be with Change between 0.5mm and 2.0mm.A kind of preferred embodiment according to the invention, strip of glue have in 0.5mm and Constant width between 1.2mm, and the spacing between strip of glue is not constant and with true according to laminate width The fixed value between 0.5mm and 2.0mm.Alternatively, the spacing between strip of glue can be constant and strip of glue Width changed according to corresponding laminate width.
As the adhesive for the bonding connection between flexible sheet and carrier layer, it is preferable to use melt adhesive (hot melts Glue).Such as the adhesive of styrene-based-alkene-styrene-b-copolymer is suitable.
The Hookean region of laminate is preferably mechanically activated.The mechanical activation of laminate is conveniently by so-called ring Roller process carries out, wherein, laminated width material is through office in roller gap forming roller of forming roller arrangement and laminate Portion excessively extends.Mechanical activation is visible in the form of so-called activation item in the product of completion.It is alternately to set to activate item Put, material is subjected to the bar area excessively extended and carries out the smaller excessive area extended or do not extended excessively.It is horizontal to activate item Extend in lead and extend parallel to strip of glue.
Carrier layer is preferably made of adhesive-bonded fabric.On fibrous material and the type reinforced, nonwoven fabric material does not have Limitation.Polyolefin, especially polyethylene and polypropylene, polyester, polyamide, cellulose and double are for example considered as fibrous material The combination of component fibre and fibrous material above-mentioned.Adhesive-bonded fabric can especially have in 8g/m2And 50g/m2Between Weight per unit area.
Flexible sheet is made of thermoplastic elastomer (TPE), wherein especially suitable for the polymer from such as the following group:Styrene- Butadiene-styrene-block-copolymer (SBS), styrene-isoprene-phenylethene-block-copolymer (SIS), benzene second Alkene-ethylene-butadiene-styrene-block-copolymer (SEBS), the polyethylene-co object of elasticity, elastic polypropylene-copolymerization Object, polyurethane-copolymer of elasticity, the polyamide-co-polymers of elasticity and the mixture of these polymer.Except using monofilm Piece can also use the diaphragm of co-extrusion pressure, wherein the diaphragm of the co-extrusion pressure with multiple identical layers is similarly suitable.The elastic membrane Piece can especially have the thickness between 10 μm and 130 μm.
A kind of preferred embodiment according to the invention, flexible sheet are arranged on two carrier layers being made of adhesive-bonded fabric Between and it is be bonded with its, wherein, bonding is connected on the both sides of flexible sheet and is implemented in a manner of the foregoing description.
Laminate is used to be fixed on diaper and for connecting the connecting pin of blocking element suitably as non-resilient Area is formed.Expediently, the first connecting pin for being fixed on diaper is configured to soft and flexible.If diaper component has Flexible sheet and the flexible sheet are laminated between two nonwoven fabric layers, then flexible sheet preferably the first connecting pin it The nonwoven fabric layer that preceding termination and the first connecting pin are only connected with each other by two forms.Preferably, two nonwoven fabric layers exist It is mutually bonded to planar on first connecting pin.Second connection end for fixed latch element is preferably reinforced by enhancement layer, institute Enhancement layer is stated to be connected with the flexible sheet being laminated into overlapping region.Enhancement layer is preferably made of polymer, the polymer There is larger bending stiffness and larger tensile strength compared to flexible sheet.In the region of second connection end, each layer It is preferred that planar be mutually bonded.Also within the scope of this invention, being set in second connection end includes the non-ballistic of hook element Property item, with the flexible sheet of laminate and/or for example the carrier layer made of adhesive-bonded fabric is connected.
Description of the drawings
Then the present invention is explained by the attached drawing for only showing embodiment.Attached drawing is schematically shown:
The vertical section in the edge extension direction of Fig. 1 elastic diaper components;
The top view of Fig. 2 diaper components shown in FIG. 1;
The adhesive figure of bonding connection between the carrier layer and flexible sheet of the diaper component that Fig. 3 is shown in fig 1 and 2 Case;
The enlarged drawing compared with Fig. 3 of a part of Fig. 4 Fig. 3;
A kind of implementation modification for the pattern of adhesive that Fig. 5 is shown in FIG. 3.
Specific embodiment
Each figure is related to elastic diaper component, is also referred to as diaper hanging ring in practice.Diaper component includes laminate, described Laminate has at least one carrier layer 1 and the flexible sheet 2 Nian Jie with carrier layer 1 and at least in the region of flexible sheet 2 In can be along lead A elastic extensions.In embodiments and a kind of preferred embodiment according to the invention, flexible sheet 2 be laminated into it is between two carrier layers 1 and Nian Jie with the two carrier layers, wherein, each carrier layer 1 is respectively by adhesive-bonded fabric system Into.Carrier layer is stiff, but can be enough stretch.
According to the diagram of Fig. 2, laminate is with the first connecting pin 3 for being fixed on diaper and with for being latched The second connection end 4 of element (such as band or latching member equipped with hook).Transverse to lead, the width B of second connection end 42 Less than the width B of the first connecting pin 31.In this embodiment, diaper component has the shape of general quadrangle, wherein, connection End 3,4 extends parallel to each other and two long sides 5,5 ' orient with inclining towards each other.Diaper component can also have trapezoidal fundamental form Shape.In addition, long side 5,5 ' can also arcuately be bent.
Diaper component has inelastic region a on each connecting pin1、a2.In inelastic region a1、a2Between, diaper component has Hookean region c.In Hookean region c between two connecting pins 3,4, flexible sheet 2 is carried with the outside being made of adhesive-bonded fabric Body layer 1 is connected by multiple parallel strip of glue 6.Strip of glue 6 extends transverse to lead A.
The pattern of adhesive of bonding connection between flexible sheet 2 and two outside carrier layers 1 is shown in figures 3 and 4. Strip of glue 6 forms pattern of adhesive, with the region c in adjacent first connecting pin 31In compare, described adhesive pattern is in neighbour Meet the region c of second connection end 42In have the smaller distance s between adjacent strip of glue 6.Region c1、c2Have respectively There are at least two strip of glue 6 together with the adhesive-free gap set between each strip of glue.The reality shown in figures 3 and 4 It applies in example, strip of glue 6 has the width b of constant such as 1.0mm, wherein, numerical value of the width b between 0.5mm and 1.5mm It is determined in scope.Distance s between each strip of glue 6 change according to laminate width B and with according to laminate width The definite value between 0.5mm and 2.0mm.
According to a kind of implementation modification being shown in FIG. 5, the distance s between each strip of glue 6 be it is constant and The width b of strip of glue 6 is different.Strip of glue 6 is in the region c of adjacent second connection end 42Middle ratio is in adjacent first connecting pin 3 Region c1In it is wider.
The measure shown in Fig. 3 to 5 can also be mutually combined.According to the present invention, the adhesive formed by strip of glue 6 Area changes with the area ratio including adhesive area and the basic area of adhesive-free area according to laminate width B. Here, area ratio becoming smaller and increase with laminate width B of the adhesive area on basic area.Preferably, bond The width b of agent item 6 and/or the distance s between adjacent strip of glue 6 are so determined according to laminate width B so that elasticity The extension of region c is substantially consistent when laminate is stretched along lead.Adhesive distribution is depended on according to the present invention The exterior geometry of diaper component and make the extension of diaper component consistent, so as to when diaper component extends along lead Close to the Hookean region c of second connection end 42With the Hookean region c of adjacent first connecting pin1Equally strongly extend.Thus urine is made The performance profile of cloth component is more preferable.
The Hookean region c of laminate is mechanically activated.In order to mechanically activate, laminate is tied through forming roller arrangement Structure, wherein, local excessive extension in roller gap of the laminate between forming roller.Mechanical activation is on the product of completion with institute The form of the activation item of meaning is visible.Activation item extends parallel to strip of glue 6 and improves material ductility.
The connecting pin 3,4 of laminate is as inelastic region a1、a2It forms, wherein, the layer of laminate is constructed two connecting pins 3rd, it is different on 4.With big width B1And the first connecting pin 3 that diaper can be fixed thereon is soft and flexible and only It is made of the carrier layer 1 of the adhesive-bonded fabric of two interconnections.Flexible sheet 2 terminates before the first connecting pin 3.Non-resilient Area a1In, layer 1,2 planars it is connected with each other.The bonding connection of planar extends beyond the edge of flexible sheet 2 until flexible sheet 2 The region close to edge.Such as can be fixed in the second connection end in the blocking element of band forms, second connection end is led to It crosses enhancement layer 7 to reinforce, the enhancement layer is in overlapping region on the section equipped with the flexible sheet 2 being laminated into of diaper component Anchoring.Overlapping region can be about 2mm to 10mm wide.Enhancement layer 7 is made of polymer, and the polymer is compared to elastic membrane The mechanical property of piece 2 has the advantages that large curved rigidity and high-tensile.

Claims (7)

1. a kind of elastic diaper component, including laminate, the laminate has at least one carrier layer (1) and and carrier layer (1) bonding flexible sheet (2) and at least in the region of flexible sheet (2) can along lead (A) elastic extension,
Wherein, laminate has to be fixed on the first connecting pin (3) on diaper and the second connection end for blocking element (4),
Wherein, second connection end (4) is transverse to the width (B of lead (A)2) it is less than the first connecting pin (3) transverse to traction side To width, and
Wherein, in Hookean region (c) of the carrier layer (1) between two connecting pins (3,4) with flexible sheet (2) by transverse to Multiple parallel strip of glue (6) connections of lead (A) extension,
Wherein, strip of glue (6) forms pattern of adhesive, with the region (c in adjacent first connecting pin (3)1) in compare, it is described Pattern of adhesive is in the region (c of adjacent second connection end (4)2) in wider strip of glue (6) and/or with smaller Spacing (s) between adjacent strip of glue (6),
It is characterized in that, the width (B) of strip of glue (6) and/or spacing (s) basis between adjacent strip of glue (6) Laminate width (B) so determines so that the extension of Hookean region (c) is substantially one when laminate is stretched along lead It causes, and by the adhesive area that strip of glue (6) is formed on being formed by the adhesive area and adhesive-free area The area ratio of basic area changes according to laminate width (B), wherein, the area ratio of the adhesive area is with lamination Piece width (B's) becomes smaller and increases.
2. elastic diaper component described in accordance with the claim 1, which is characterized in that strip of glue (6) have in 0.5mm and Width (b) between 1.5mm;And the spacing (s) between strip of glue (6) changes and has according to laminate width Value between 0.5mm and 2.0mm.
3. elastic diaper component described in accordance with the claim 2, which is characterized in that strip of glue (6) has constant width (b)。
4. according to the elastic diaper component described in one of claims 1 to 3, which is characterized in that the Hookean region of the laminate (c) mechanically activated.
5. according to the elastic diaper component described in one of claims 1 to 3, which is characterized in that carrier layer (1) is by adhesive-bonded fabric system Into.
6. according to the elastic diaper component described in one of claims 1 to 3, which is characterized in that flexible sheet (2) is arranged on two Between the carrier layer (1) being made of adhesive-bonded fabric.
7. according to the elastic diaper component described in one of claims 1 to 3, which is characterized in that each connecting pin (3,4) is used as non-ballistic Property area form.
CN201610296604.4A 2015-05-07 2016-05-06 elastic diaper component Expired - Fee Related CN106389011B (en)

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JP6893974B2 (en) * 2016-08-12 2021-06-23 ザ プロクター アンド ギャンブル カンパニーThe Procter & Gamble Company Absorbent article with ears
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EP3090710B1 (en) 2017-07-12
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US20160324697A1 (en) 2016-11-10
JP2016209552A (en) 2016-12-15

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